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Finding the Fourth Proportional to 311,858.25, 467,816.54 and 101,439.69

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Solution

The fourth proportional to 311,858.25, 467,816.54 and 101,439.69 is: 152,169.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,858.25 : 467,816.54 = 101,439.69 : x
  2. Step 2: Convert to fraction form
    311,858.25/467,816.54 = 101,439.69/x
  3. Step 3: Cross multiply
    311,858.25x = 467,816.54 × 101,439.69
  4. Step 4: Simplify right side
    311,858.25x = 47,455,164,287.27
  5. Step 5: Solve for x
    x = 47,455,164,287.27/311,858.25
  6. Step 6: Final answer
    x = 152,169.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.